Question 1
Which of these properties is/are characteristic(s) of gases?
◦ High compressibility
◦ Relatively large distances between molecules
◦ Formation of homogeneous mixtures regardless of the nature of gases
◦ A and B.
◦ A, B, and C.
Question 2
Which one of these gases is "lighter-than-air"?
◦ Cl
2◦ SO
2◦ PH
3◦ NO
2◦ Ne